Re: Implementing child frames on terminal

[Po Lu]

Eli Zaretskii <eliz@gnu.org> writes:

> That'd be a step in the wrong direction, I think.  The whole idea of
> TTY display is that glyphs written to the glyph rows of a window's
> matrix "miraculously" end up in the frame's glyph matrix.  This avoids
> a costly copying of glyphs by allocating the glyphs of windows from
> the glyphs of the frame glyph matrix, and allows the last stage of
> redisplay to optimize the writes of the entire frame, as opposed to
> doing that window by window, which will surely be less optimal.
>
> I see no reason yet to abandon this trick.

I think you're right.  I don't understand the frame-based redisplay very
well, thanks.